Choosing the best 21 inch self propelled electric lawn mower is essential for achieving a perfectly manicured lawn with minimal effort. There are various types, including corded electric and battery-powered models, and the 21 inch self propelled electric lawn mower deliver powerful performance and convenient features.
A properly fitted 21 inch self propelled electric lawn mower in 2026 enhances your outdoor experience by reducing physical strain and saving time. Designed to match various lawn sizes and terrain, top-rated covers offer advanced technology for a superior cut.
This guide highlights the best 21 inch self propelled electric lawn mower to help you choose the right option for your specific lawn care needs and preferences.
10 best 21 inch self propelled electric lawn mower
“Before you buy, carefully consider your lawn's size and terrain. If you need a lightweight and maneuverable mower for smaller yards, a battery-powered model is your best bet. If tackling thick grass and larger areas is your top concern, invest in a model with a higher voltage battery and robust motor. Always double-check the product listing for your specific battery life requirements and confirm compatibility with additional tools to avoid compatibility issues.”
best 21 inch self propelled electric lawn mower Comparison Table
| Product | Best For | Key Strength | Who It’s For | |
|---|---|---|---|---|
| Greenworks 21 inch self propelled electric lawn mower | Effortless Self-Propelled Mowing | Long Runtime For Medium Yards | Electric Mower Upgraders | Check Price |
| Greenworks 21 inch self propelled electric lawn mower | Self-Propelled Electric Mowing | (Features Not Specified) | Electric Mower Shoppers | Check Price |
| AMERISUN 21 inch self propelled electric lawn mower | Thick Grass And Inclines | Powerful 170cc Gas Engine | Large Lawn Owners | Check Price |
| EGO Power+ 21 inch self propelled electric lawn mower | Quiet, Eco-Friendly Operation | Intuitive Touch Drive Control | Suburban Homeowners | Check Price |
| Greenworks 21 inch self propelled electric lawn mower | Extended Runtime Mowing | Dual Batteries With Rapid Charger | Medium-To-Large Yards | Check Price |
| NovorikX 21 inch self propelled electric lawn mower | User-Friendly Storage | Fold-Down Handles And Rapid Charging | Space-Conscious Users | Check Price |
| WORX 21 inch self propelled electric lawn mower | Slopes And Larger Yards | Variable Speed Self-Propulsion | Challenging Terrain Owners | Check Price |
| NovorikX 21 inch self propelled electric lawn mower | Variable Speed Control | Two High-Capacity Batteries Included | All-Day Mowing Needs | Check Price |
| Greenworks 21 inch self propelled electric lawn mower | All-In-One Yard Care | Included Trimmer And Blower | Value-Seeking Homeowners | Check Price |
| EGO Power+ 21 inch self propelled electric lawn mower | Versatile Cutting Performance | Select Cut Twin Blade System | Discerning Lawn Enthusiasts | Check Price |
1. Greenworks 21 inch self propelled electric lawn mower – Affordable Pick
For homeowners looking to ditch the gas can and the hassle of cords, the Greenworks 40V 21" Self-Propelled Cordless Lawn Mower presents a compelling solution. This mower is designed for those with medium-sized yards who desire the convenience of electric power without sacrificing performance. Its self-propelled feature makes tackling inclines and larger areas significantly less strenuous, while the 21-inch cutting deck ensures efficient coverage.
What truly sets this Greenworks mower apart is its blend of power, user-friendliness, and the versatility of its 40V battery system. It offers a quieter, cleaner alternative to traditional gas mowers, with the added benefit of a brushless motor for enhanced durability and efficiency. If you're seeking a reliable, easy-to-operate mower that can handle your lawn care needs with minimal fuss, this model is definitely worth a closer look.
Key Specifications
| Feature | Details |
|---|---|
| Motor Type | Brushless |
| Cutting Width | 21 inches |
| Battery | 40V 5.0Ah Lithium-Ion |
| Drive System | Self-Propelled |
| Deck Material | Steel |
| Weight | Approximately 60 lbs (with battery) |
| Charge Time | Varies by charger, typically 1-2 hours for 5.0Ah |
| Features | Mulching, Bagging, Side Discharge |
Reasons to Buy
- Effortless mowing with the responsive self-propelled system.
- Powerful and efficient cutting performance from the brushless motor.
- Long runtime provided by the 5.0Ah battery for medium-sized yards.
- Reduced maintenance compared to gas mowers.
- Instant start-up and quieter operation.
Reasons to Avoid
- May require multiple charges for very large yards (over 1/4 acre).
- Battery and charger are an additional cost if not already part of the Greenworks 40V ecosystem.
2. Greenworks 21 inch self propelled electric lawn mower – Best Value
If you're looking to ditch the gas can and noisy engine for a cleaner, quieter, and more convenient lawn care experience, the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower is a fantastic option. This mower is designed for homeowners with medium to large yards who want powerful performance without the hassle of traditional gas-powered machines. Its self-propelled feature makes tackling inclines and larger areas a breeze, while the 80V battery system offers impressive runtime and compatibility with a wide range of Greenworks tools.
What truly sets this Greenworks mower apart is its robust 80V power system, delivering performance that rivals many gas mowers, coupled with the user-friendly design of a cordless electric tool. The self-propelled functionality is smooth and adjustable, reducing user fatigue significantly. Plus, the inclusion of LED headlights and a rapid charger means you can mow at any time and get back to charging quickly, making lawn maintenance more efficient than ever.
Key Specifications
| Feature | Details |
|---|---|
| Battery Voltage | 80V |
| Battery Capacity | 4.0Ah |
| Cutting Width | 21 inches |
| Drive System | Self-Propelled |
| Motor Type | Brushless |
| Deck Material | Steel |
| Features | LED Headlights, 3-in-1 Mulching/Bagging/Side Discharge |
| Charger | Rapid Charger Included |
3. AMERISUN 21 inch self propelled electric lawn mower – Premium Choice
For homeowners with substantial lawns looking for a robust and reliable cutting solution, the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower stands out as a powerful contender. This mower is designed to tackle larger properties with ease, thanks to its potent engine and self-propelled functionality, significantly reducing the physical strain typically associated with lawn maintenance. It’s an ideal choice for those who value efficiency and a well-manicured finish without breaking a sweat.
What truly sets the AMRISUN apart is its blend of raw power and user-friendly features. The 170cc 4-stroke engine provides ample torque for thick grass, while the self-propel system makes navigating slopes and longer stretches of lawn feel effortless. Coupled with its versatile 3-in-1 cutting system, this mower offers a comprehensive package for achieving a professional-looking lawn with minimal fuss, making it a standout option in its class.
Key Specifications
| Feature | Details |
|---|---|
| Engine | 170cc 4-Stroke Gas Engine |
| Cutting Width | 21-Inch |
| Drive System | Self-Propelled |
| Cutting Height Adjustment | 6-Position |
| Cutting Options | Mulching, Side Discharge, Rear Bagging |
| Wheel Size | 8-inch Front, 11-inch Rear |
| Fuel Tank Capacity | 1.0 Liter |
| Oil Capacity | 0.5 Liter |
Reasons to Buy
- Powerful 170cc engine handles thick grass and inclines with ease.
- Self-propelled system significantly reduces user fatigue on large lawns.
- Versatile 3-in-1 cutting options (mulch, side discharge, bag) adapt to various needs.
- Easy 6-position height adjustment for precise lawn care.
- Durable construction with larger rear wheels for improved maneuverability.
Reasons to Avoid
- As a gas-powered mower, it requires regular maintenance like oil changes and fuel handling.
- The self-propelled system, while beneficial, adds complexity and potential maintenance points compared to a push mower.
4. EGO Power+ 21 inch self propelled electric lawn mower – Budget Friendly
For homeowners looking to ditch the gas and embrace a cleaner, quieter lawn care experience, the EGO Power+ LM2125SP Self-Propelled Cordless Electric Lawn Mower is a compelling option. This mower is designed for those who value convenience, performance, and environmental responsibility without compromising on the ability to tackle a variety of lawn sizes and conditions. Its self-propelled feature, coupled with an intuitive control system, makes mowing less of a chore and more of an efficient task.
What truly sets the EGO Power+ LM2125SP apart is its blend of robust power, user-friendly design, and the impressive battery technology that EGO is known for. It offers a powerful cutting performance that rivals many gas mowers, all while operating at a significantly lower noise level and without the hassle of fuel and oil. The inclusion of a substantial battery and rapid charger in this package ensures you can get a significant portion of your lawn done in one go, making it a standout choice for medium to large yards.
Key Specifications
| Feature | Details |
|---|---|
| Cutting Width | 21 inches |
| Motor Type | Brushless DC |
| Drive System | Self-Propelled with Touch Drive Technology |
| Battery | 56V 7.5Ah ARC Lithium™ Battery |
| Charger | Rapid Charger Included |
| Deck Material | Steel |
| Mulching Capability | Yes |
| Bagging Capability | Yes |
| Noise Level | 82 dB |
Reasons to Buy
- Significantly quieter operation than gas mowers.
- Effortless self-propelled system with intuitive Touch Drive™ control.
- Powerful cutting performance that rivals gas models.
- Minimal maintenance required, saving time and hassle.
- Eco-friendly operation with no emissions.
- Convenient vertical storage design.
Reasons to Avoid
- Higher initial purchase price compared to basic gas or corded electric mowers.
- Runtime may be insufficient for extremely large yards without purchasing an additional battery.
5. Greenworks 21 inch self propelled electric lawn mower – Top Performer
If you're looking to ditch the gas can and the hassle of cords for good, the Greenworks 60V 21" Self-Propelled Cordless Lawn Mower is a fantastic option for homeowners seeking a powerful and convenient way to maintain their lawns. This mower is designed for those who want the freedom of cordless operation without sacrificing cutting performance, making it ideal for medium to large yards. Its self-propelled feature takes the strain out of mowing, while the brushless motor ensures efficient power delivery and longevity.
What truly sets this Greenworks mower apart is its robust battery system and thoughtful design. It comes with two 4.0Ah batteries and a rapid dual-port charger, offering substantial runtime and quick recharges. The 21-inch cutting deck is a versatile size, capable of handling most residential lawns efficiently, and the integrated LED lights are a surprisingly useful addition for those who need to mow in low-light conditions. It represents a significant step up in cordless lawn care technology, offering a blend of power, convenience, and eco-friendliness.
Key Specifications
| Feature | Details |
|---|---|
| Motor Type | Brushless |
| Cutting Width | 21 inches |
| Battery System | 60V |
| Included Batteries | 2 x 4.0Ah |
| Charger | Rapid Dual-Port Charger |
| Runtime | Up to 45 minutes per charge (with included batteries) |
| Drive System | Self-Propelled |
| Deck Material | Steel |
Reasons to Buy
- Powerful and efficient cutting performance thanks to the 60V brushless motor.
- Effortless mowing experience with the adjustable self-propelled drive system.
- Extended runtime and quick recharging with dual 4.0Ah batteries and rapid charger.
- Versatile 3-in-1 cutting capabilities (mulch, bag, side-discharge) to suit different needs.
- Significantly less maintenance compared to gas-powered mowers.
Reasons to Avoid
- The 21-inch cutting deck may be slightly small for very large properties, potentially requiring multiple charges.
- Initial investment cost can be higher than comparable gas mowers.
6. NovorikX 21 inch self propelled electric lawn mower – Recommended
Tired of wrestling with gas-powered mowers that refuse to start or spew fumes? The NovorikX 60V Self-Propelled Lawn Mower is here to revolutionize your lawn care routine. Designed for homeowners with medium to large yards, this electric powerhouse offers the convenience of cordless operation without sacrificing the muscle needed for a pristine cut. Its self-propelled feature takes the strain out of mowing, making even hilly terrain manageable, while the 21-inch cutting deck ensures you cover ground efficiently.
What truly sets the NovorikX apart is its blend of robust performance and user-friendly design. The powerful 60V brushless motor delivers ample torque for tackling thick grass, and the included 5.0Ah battery provides a generous runtime. Coupled with a rapid charger, you'll spend less time waiting and more time enjoying your beautifully manicured lawn. This mower is an excellent choice for anyone seeking a quieter, cleaner, and more effortless mowing experience.
Key Specifications
| Feature | Details |
|---|---|
| Motor Type | 60V Brushless |
| Cutting Width | 21 inches |
| Drive System | Self-Propelled |
| Battery | 60V 5.0Ah Lithium-Ion |
| Charger | Rapid Charger Included |
| Deck Material | Steel |
| Weight | 65 lbs |
| Features | LED Headlight, Mulch/Bag/Side Discharge |
Reasons to Buy
- Effortless mowing with powerful self-propelled drive.
- Clean and efficient cutting performance for various grass types.
- Long-lasting battery with convenient rapid charging.
- User-friendly design with intuitive controls and fold-down handles for storage.
- Quieter and more environmentally friendly operation than gas mowers.
Reasons to Avoid
- The 21-inch cutting deck might be smaller than some users prefer for very large lawns.
- Battery life, while good, may require a second battery for exceptionally large or complex yards.
7. WORX 21 inch self propelled electric lawn mower – Recommended
If you're tired of the hassle of gas-powered mowers but still need the power and convenience of a self-propelled model, the WORX Nitro 21" Cordless Electric Lawn Mower is a fantastic option to consider for your 2026 lawn care routine. This mower is designed for homeowners with medium to large yards who want a powerful, quiet, and easy-to-use electric alternative that doesn't compromise on performance. It offers the freedom of cordless operation combined with the muscle to tackle various grass types and terrains.
What truly sets the WORX Nitro apart is its blend of robust features and user-friendly design. The inclusion of two high-capacity batteries and a charger right out of the box means you can get started immediately and have ample runtime for most residential lawns. Its variable speed self-propulsion system, coupled with the intelligent cutting technology, ensures a clean cut and a comfortable mowing experience, making yard work feel less like a chore and more like a breeze.
Key Specifications
| Feature | Details |
|---|---|
| Cutting Width | 21 inches |
| Motor Type | Brushless |
| Drive System | Variable Speed Self-Propelled |
| Battery System | 2 x 5.0 Ah Lithium-Ion (20V/40V Max) |
| Deck Material | Steel |
| Mulching/Bagging/Side Discharge | Yes (3-in-1) |
| Height Adjustment | Single-lever, 7 positions |
| Weight | Approximately 65 lbs |
Reasons to Buy
- Powerful and efficient cutting performance thanks to the brushless motor and Intellicut technology.
- Variable speed self-propulsion makes mowing effortless, especially on slopes or larger yards.
- Comes with two high-capacity batteries and a charger, providing excellent runtime and value.
- Significantly quieter operation and much lower maintenance requirements than gas mowers.
- Easy to use, store, and maneuver, making yard work more convenient.
Reasons to Avoid
- The 21-inch cutting deck might be slightly smaller than some larger gas mowers, potentially requiring more passes for very expansive lawns.
- While powerful for an electric mower, extremely dense or overgrown areas might still challenge its limits compared to high-horsepower gas engines.
8. NovorikX 21 inch self propelled electric lawn mower – Recommended
If you're tired of the hassle of gas-powered mowers and tangled extension cords, the NovorikX 60V Self-Propelled Lawn Mower might be the perfect solution for your yard maintenance needs. This 21-inch cordless electric mower is designed for homeowners with medium to large lawns who are looking for a powerful, convenient, and eco-friendly alternative to traditional mowers. Its self-propelled feature takes the strain out of mowing, making it accessible for a wider range of users, and the inclusion of two batteries and a rapid charger ensures you can tackle your entire yard without interruption.
What truly sets the NovorikX apart is its blend of robust performance and user-friendly design. The 60V brushless motor provides ample power to cut through thick grass, while the self-propelled system adjusts to your walking pace, significantly reducing fatigue. Coupled with a generous 21-inch cutting deck and thoughtful features like an LED headlight for extended mowing hours, this mower offers a compelling value proposition for anyone seeking a modern, efficient, and enjoyable lawn care experience.
Key Specifications
| Feature | Details |
|---|---|
| Motor Type | 60V Brushless DC |
| Cutting Width | 21 inches |
| Drive System | Self-Propelled |
| Battery | 2 x 5.0Ah Lithium-Ion |
| Charger | Rapid Charger Included |
| Deck Material | Steel |
| Weight | 65 lbs (approx.) |
| Features | LED Headlight, Mulch/Bag/Side Discharge |
Reasons to Buy
- Powerful and efficient cutting performance with a 60V brushless motor.
- User-friendly self-propelled system with variable speed control reduces fatigue.
- Excellent battery life with two 5.0Ah batteries and a rapid charger included.
- Versatile 3-in-1 cutting options and easy height adjustment.
- Quiet operation and zero emissions make it an eco-friendly choice.
Reasons to Avoid
- The 21-inch cutting deck might be slightly small for very large, open lawns requiring frequent mowing.
- While durable, the steel deck may be heavier than some composite alternatives for those prioritizing ultra-lightweight designs.
9. Greenworks 21 inch self propelled electric lawn mower – Recommended
If you're looking for a powerful, convenient, and eco-friendly way to maintain your lawn, the Greenworks 48V 21-Inch Brushless Self-Propelled Mower Combo Kit is a fantastic option. This all-in-one package is designed for homeowners who want to tackle mowing, trimming, and blowing with a single battery system, eliminating the hassle of gas and cords. It’s particularly well-suited for medium to large yards where the self-propelled feature can significantly reduce user fatigue.
What truly sets this Greenworks kit apart is its versatility and the integration of three essential yard tools powered by the same robust 48V battery platform. The brushless motor technology ensures efficient power delivery and a longer lifespan for the mower, while the inclusion of two 5.0Ah batteries and a dual-port charger means you can keep going without extended downtime. This combo kit offers excellent value, providing a complete outdoor power solution that’s both effective and environmentally conscious.
Key Specifications
| Feature | Details |
|---|---|
| Mower Cutting Width | 21 inches |
| Mower Drive System | Self-Propelled |
| Battery System | 48V (2 x 24V) |
| Included Batteries | (2) 5.0Ah |
| Charger | 4A Dual Port Charger |
| Included Tools | 12" String Trimmer, 320 CFM Blower |
| Motor Type | Brushless |
| Deck Material | Steel |
Reasons to Buy
- Eliminates the need for gas, oil, and messy pull-starts with a clean electric operation.
- The included string trimmer and blower, powered by the same batteries, offer excellent value and versatility.
- Self-propelled feature significantly reduces physical effort, especially on inclines or larger lawns.
- Dual-port charger and two batteries minimize downtime, allowing for continuous yard work.
- Brushless motor technology ensures efficient power, longer runtimes, and extended tool life.
Reasons to Avoid
- The 21-inch cutting width might be on the smaller side for very large yards (over 1/2 acre).
- While powerful for its class, the string trimmer may not be sufficient for extremely thick or demanding weed-whacking tasks.
10. EGO Power+ 21 inch self propelled electric lawn mower – Recommended
If you're tired of the hassle of gas-powered mowers – the fumes, the oil changes, the pull-starts – then the EGO POWER+ LM2134SP-2 Self-Propelled Cordless Electric Lawn Mower might just be the upgrade your lawn care routine needs. This mower is designed for homeowners who want a powerful, easy-to-use, and environmentally friendly way to maintain their yards, especially those with medium to large lawns. Its self-propelled feature takes the strain out of mowing, while the advanced cutting system ensures a clean, precise cut every time.
What truly sets the EGO POWER+ LM2134SP-2 apart is its blend of robust performance and user-friendly innovation. The combination of its powerful 56V ARC Lithium battery system, the intuitive Touch Drive self-propel technology, and the versatile Select Cut™ mulching system means you get a premium mowing experience without the compromises of traditional mowers. It offers the convenience of cordless operation with the power to tackle demanding lawn conditions, making it a standout choice for those seeking efficiency and a beautifully manicured lawn.
Key Specifications
| Feature | Details |
|---|---|
| Cutting Width | 21 inches |
| Motor Type | Brushless DC |
| Battery System | 56V ARC Lithium |
| Included Batteries | (2) 6.0Ah |
| Charging Time | Approx. 30 minutes (Rapid Charger) |
| Drive System | Self-Propelled with Touch Drive |
| Deck Material | Steel |
| Mulching System | Select Cut™ (2-in-1: Mulching & Bagging) |
Reasons to Buy
- Effortless mowing with the intuitive Touch Drive™ self-propelled system.
- Excellent cutting performance and versatility with the Select Cut™ twin blade system.
- Long runtime and quick recharging with the 56V ARC Lithium battery system.
- Significant space-saving with its vertical storage capability.
- Reduced maintenance and quieter operation compared to gas mowers.
Reasons to Avoid
- The initial investment can be higher than comparable gas mowers.
- While powerful, extremely large or overgrown properties might still benefit from a gas mower's sustained power output.
Our Top Picks for the best 21 inch self propelled electric lawn mower
Here are our top 3 picks based on performance, features, and user satisfaction.
Wrap Up the best 21 inch self propelled electric lawn mower
Selecting the right lawn mower ultimately comes down to your specific needs and property size. For those seeking convenience and eco-friendly operation, an electric mower is an excellent choice. Features like battery power, cutting width, and self-propelled capabilities play a significant role in your decision-making process.
When considering a 21 inch self propelled electric lawn mower, prioritize models that align with your yard's demands and your personal preferences for ease of use and maintenance. Investing in a quality mower will ensure your lawn stays pristine with minimal effort for years to come.
FAQs Regarding 21 inch self propelled electric lawn mower
What is the average runtime for a 21 inch self propelled electric lawn mower?
Runtime varies significantly based on battery capacity and mower usage, but typically ranges from 30 to 60 minutes on a single charge for models with 4.0Ah or larger batteries.
Are electric mowers powerful enough for thick grass?
Many modern electric mowers, especially those with higher voltage batteries (60V+) and brushless motors, are quite powerful and can handle thick grass effectively.
Do I need to maintain the batteries for my electric mower?
Yes, it's recommended to store batteries in a cool, dry place and avoid leaving them fully discharged for extended periods to maximize their lifespan.
What is the benefit of a brushless motor in a 21 inch self propelled electric lawn mower?
Brushless motors are more efficient, provide more power, run cooler, and generally have a longer lifespan compared to brushed motors, leading to better performance and durability.
Can I use my electric mower on wet grass?
It's generally best to avoid mowing wet grass, as it can clump and clog the mower, and also poses a safety risk. Wait for the grass to dry.
How does the self-propelled feature work on these mowers?
The self-propelled system uses a drive mechanism to move the mower forward, reducing the physical effort required from the user, especially on slopes or larger areas.
Are there any gas-powered 21 inch self propelled electric lawn mower options?
No, the term "electric lawn mower" specifically refers to battery-powered or corded mowers. Gas mowers are a separate category.
What is the warranty typically like for these mowers?
Warranties vary by manufacturer, but most reputable brands offer at least a 2-year warranty on the mower and a 1-3 year warranty on the batteries.
